where is R in debit

Question

Why is the r not use a word of debit

Answer 1

Is this a spelling question?  Look up DEBIT in a dictionary (or equivalent online resource).

 

It has a meaning.  Why do you wish to for an "r"?

 

Turning now to your question: Why is the r not use a word of debit?

This question is not phrased correctly; to be understood, it would have to be written much better.